Top Analyst Upgrades and Downgrades: Abengoa Yield, CSC, Groupon, 3M, Vertex, Williams, Xerox and More
These are the top analyst upgrades, downgrades and initiations from Wall Street firms on Tuesday, July 8, 2014. They include Abengoa Yield, CSC, Groupon, 3M, Vertex, Williams and Xerox.